Devices › System, test, blood glucose, over the counter
Device brand name · System test blood glucose over the counter
True Metrix Air: medical device reports filed with FDA
933 reports name it, 2016–2026. Manufacturer given most often on reports: Trividia Health. Product code NBW.
- 933
- device reports naming the brand
- 0% of all MAUDE reports · about 93 a year
- 113
- reports, 12 months to August 2026
- 93 in the 12 months before
- 66.5%
- classified as malfunction
- 90.4% across the product code
- 0.2%
- classified as death, as reported
- 2 reports · not verified by FDA
933 medical device reports received by FDA name the brand "True Metrix Air" (system test blood glucose over the counter); the manufacturer given most often on reports is Trividia Health; received from July 2016 to August 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.
113 reports arrived in the 12 months to August 2026, up 22% from 93 in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are malfunction (66.5%), injury (32.8%) and other (0.5%); across all system, test, blood glucose, over the counter reports (product code NBW) death is recorded in 0% and malfunction in 90.4%. Event type is the reporter's classification of the report, not a verified outcome.
The device problems coded most often are high test results (56.3%), low test results (13.8%) and image display error/artifact (11.3%). The patient problems coded most often are hyperglycemia, dizziness and hypoglycemia. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."
Reports by month, five years
Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.
By year received
Event type and report source
Event type, as classified on the report
Who filed the report
Grey bar: all 431,760 reports carrying product code NBW. Event type is the filer's classification and is not verified by FDA.
Device problems coded
| Device problem (FDA code) | Reports | Share | Share across product code |
|---|---|---|---|
| High test results | 525 | 56.3% | 6.2% |
| Low test results | 129 | 13.8% | 2.5% |
| Image display error/artifact | 105 | 11.3% | 0.6% |
| Incorrect, inadequate or imprecise result or readings | 57 | 6.1% | 5.6% |
| Device displays incorrect message | 37 | 4% | 24% |
| Failure to power up | 20 | 2.1% | 19.5% |
| Imprecise or erratic results | 20 | 2.1% | 0% |
| Battery problema problem with the battery | 8 | 0.9% | 1.9% |
| Display or visual feedback problem | 8 | 0.9% | 0.5% |
| Output problem | 8 | 0.9% | 0.2% |
| Unable to obtain readings | 8 | 0.9% | 0.6% |
| Insufficient device problem information | 7 | 0.8% | 0.8% |
| Product quality problem | 7 | 0.8% | 0% |
| Defective devicethe device was defective | 5 | 0.5% | 0.1% |
| Incomplete or missing packaging | 3 | 0.3% | 0% |
| Unsealed device packaging | 3 | 0.3% | 0.1% |
| Component missing | 2 | 0.2% | 1.3% |
| Material twisted/bent | 2 | 0.2% | 0% |
| Measurement system incompatibility | 2 | 0.2% | 0% |
| Nonstandard device | 2 | 0.2% | 1.2% |
FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.
Patient problems coded
| Patient problem (FDA code) | Reports | Share |
|---|---|---|
| Hyperglycemiahigh blood sugar | 133 | 14.3% |
| Dizzinesslight-headedness or unsteadiness | 60 | 6.4% |
| Hypoglycemialow blood sugar | 43 | 4.6% |
| Headachehead pain | 36 | 3.9% |
| Fatiguetiredness | 35 | 3.8% |
| Polydipsia | 33 | 3.5% |
| Blurred vision | 29 | 3.1% |
| Shaking/tremors | 28 | 3% |
| Urinary frequency / polyuria | 27 | 2.9% |
| Muscle weakness/atrophy | 25 | 2.7% |
| Nauseafeeling sick | 20 | 2.1% |
| Lethargysluggishness | 16 | 1.7% |
| Presyncope | 10 | 1.1% |
| Weakness | 10 | 1.1% |
| Confusion/ disorientation | 8 | 0.9% |
Patient problem codes are present mainly in reports filed since 2019 and are often blank.
In context
| Measure | True Metrix Air | Product code NBW | All MAUDE reports |
|---|---|---|---|
| Reports | 933 | 431,760 | 26,136,888 |
| Share of that pool | — | 0.2% | 0% |
| Classified as death, per 1,000 reports | 2 | 0 | 9 |
| Classified as injury | 32.8% | 8.8% | 36.2% |
| Classified as malfunction | 66.5% | 90.4% | 62.3% |
| Filed by the manufacturer | 97.2% | 99.3% | 94.9% |
Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."
Other brands with product code NBW
| Brand | Reports | Latest 12 months | Classified as death |
|---|---|---|---|
| Ot Verio Iq Meter | 93,041 | 0 | 0% |
| Ot Verio2 Meter | 45,294 | 0 | 0% |
| Ot Ping Meter | 38,817 | 0 | 0% |
| Ot Ultralink Meter | 26,217 | 0 | 0% |
| Ot Verio Flex Meter | 13,503 | 0 | 0% |
| Precision Xtra | 11,696 | 6 | 0.1% |
| FreeStyle Lite | 12,244 | 430 | 0% |
| FreeStyle Freedom Lite | 11,028 | 694 | 0% |
| Neo Meter Optium FreeStyle | 10,691 | 132 | 0% |
| FreeStyle Precision Neo | 10,407 | 35 | 0% |
| Ot Verio Pro Meter | 6,716 | 0 | 0% |
| Ot Verio Test Strips | 6,351 | 0 | 0% |
| One Touch Ultralink Meter | 5,994 | 0 | 0% |
| Ot Ultra2 Meter | 5,142 | 0 | 0% |
| Ot Ping Enhanced Meter | 5,080 | 0 | 0% |
Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."
Questions about True Metrix Air reports
How many FDA reports name True Metrix Air?
933 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 113 in the latest 12 months.
What kinds of events are reported?
malfunction (66.5%), injury (32.8%) and other (0.5%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.
What device problems are coded?
high test results (56.3%), low test results (13.8%), image display error/artifact (11.3%), incorrect, inadequate or imprecise result or readings (6.1%) and device displays incorrect message (4%). These are FDA's device problem codes as entered on the report.
Who files these reports?
manufacturer reports (97.2%) and voluntary reports (2.8%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.
Do these reports show that True Metrix Air was at fault?
No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."
How do I report a problem with a medical device?
Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.
Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.
Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.